Start with blocks like quartz, concrete, or wood for the cabinets and countertops.
Use smokers or furnaces as ovens and item frames for cabinet handles.
Cauldron + tripwire hook makes a great sink and tap combo.
Paintings and banners add nice accents like towels or dish racks.
Add redstone for functional fridges or auto dispensers.
Kitchens work well in survival bases and creative builds alike.
There are tons of tutorials online for all aesthetic styles: modern, rustic, even fast food.